Home / 3,888.63-5,366.36-2,210.07

Finding the Fourth Proportional to 3,888.63, 5,366.36 and 2,210.07

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Solution

The fourth proportional to 3,888.63, 5,366.36 and 2,210.07 is: 3,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.63 : 5,366.36 = 2,210.07 : x
  2. Step 2: Convert to fraction form
    3,888.63/5,366.36 = 2,210.07/x
  3. Step 3: Cross multiply
    3,888.63x = 5,366.36 × 2,210.07
  4. Step 4: Simplify right side
    3,888.63x = 11,860,031.25
  5. Step 5: Solve for x
    x = 11,860,031.25/3,888.63
  6. Step 6: Final answer
    x = 3,049.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.